Centos7.6
One day operating system downtime, through out-of-band management of the operating system after a phenomenon:
1, if pull the cable, the operating system can be up; Insert the cable will be down;
2, if by systemctl shut down the network server, insert the cable can be up, but by systemctl start network services will be down;
Try to repair operation:
1, replace the network card, useless;
2, upgrade the nic driver, useless;
3, this machine is made from the bond nic binding, remove bond, still useless;
The last process:
1. Reinstall the operating system, with respect to OK,
Appeal:
This may be where there is a problem, how to troubleshoot?
CodePudding user response:
Calling card exception? System did not log?